%SETIDENT Set object identifiers
%
%   A = SETIDENT(A,IDENT,J)
%
% INPUT
%   A      Dataset
%   IDENT  Object identifiers
%   J      Vector of indices of objects to be updated (optional; default: all)
%
% OUTPUT
%   A      Updated dataset
%
% DESCRIPTION
% Set or reset the identifiers of A by the object identifiers (cells, 
% characters or numbers) IDENT.
